Received Apr 7, 2026
| Type | Name | Manufacturer | Dose | Lot | Route / Site |
|---|---|---|---|---|---|
| HEPA | HEP A (HAVRIX) | GLAXOSMITHKLINE BIOLOGICALS | 1 | 34HG2 | — |
Pediatric dose given; Underdose; This non-serious case was reported by a nurse via call center representative and described the occurrence of adult use of a child product in a 42-year-old male patient who received HAV (Havrix 720) (batch number 34HG2, expiry date 12-AUG-2027) for prophylaxis. On 17-MAR-2026, the patient received the 1st dose of Havrix 720. On 17-MAR-2026, an unknown time after receiving Havrix 720, the patient experienced adult use of a child product (Verbatim: Pediatric dose given) and underdose (Verbatim: Underdose). The outcome of the adult use of a child product and underdose were not applicable. This report is made by GSK without prejudice and does not imply any admission or liability for the incident or its consequences. Additional Information: GSK receipt date: 25-MAR-2026 A registered nurse called to request data about the accidental administration of a pediatric dose of Havrix to an adult patient.